HARVARD – School District 50 has laid out a two-year construction schedule to get Harvard High School students the space they’ve been promised.

The district received a $13.8 million grant to be leveraged with a $22 million referendum voters approved in 2008, District 50 spokesman Bill Clow said. The referendum went toward building Crosby School, which allowed the district to drop a grade level at other schools and create more space.

But the high school remained unchanged. Now, it’ll get a facelift over the next two years: more classrooms, more commons space, a new kitchen and, for the first time, central air conditioning.